96 lines
3.6 KiB
HTML
96 lines
3.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=914405
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Debugger.prototype.makeGlobalObjectReference should dereference WindowProxy
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(outer window) objects.
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-->
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<head>
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<meta charset="utf-8">
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<title>Mozilla Bug 914405</title>
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
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</head>
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<body>
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<pre id="test">
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<script>
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"use strict";
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const {addSandboxedDebuggerToGlobal} = ChromeUtils.importESModule("resource://gre/modules/jsdebugger.sys.mjs");
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addSandboxedDebuggerToGlobal(globalThis);
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window.onload = function() {
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SimpleTest.waitForExplicitFinish();
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// Load one of our iframes over http to force it in a different compartment
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// from the current window and the other iframe.
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const iframe = document.createElement("iframe");
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const baseURL = "http://mochi.test:8888/chrome/devtools/server/tests/chrome/";
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iframe.src = baseURL + "iframe1_makeGlobalObjectReference.html";
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iframe.onload = iframeOnLoad;
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document.body.appendChild(iframe);
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function iframeOnLoad() {
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const dbg = new Debugger();
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// 'o' for 'outer window'
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const g1o = iframe.contentWindow;
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ok(!dbg.hasDebuggee(g1o), "iframe is not initially a debuggee");
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// Like addDebuggee, makeGlobalObjectReference innerizes.
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// 'i' stands for 'inner window'.
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// 'DO' stands for 'Debugger.Object'.
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const g1iDO = dbg.makeGlobalObjectReference(g1o);
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ok(!dbg.hasDebuggee(g1o),
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"makeGlobalObjectReference does not add g1 as debuggee, designated via outer");
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ok(!dbg.hasDebuggee(g1iDO),
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"makeGlobalObjectReference does not add g1 as debuggee, designated via D.O ");
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// Wrapping an object automatically outerizes it, so dereferencing an
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// inner object D.O gets you an outer object.
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// ('===' does distinguish inner and outer objects.)
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// (That's a capital '=', if you must know.)
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ok(g1iDO.unsafeDereference() === g1o, "g1iDO has the right referent");
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// However, Debugger.Objects do distinguish inner and outer windows.
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const g1oDO = g1iDO.makeDebuggeeValue(g1o);
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ok(g1iDO !== g1oDO, "makeDebuggeeValue doesn't innerize");
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ok(g1iDO.unsafeDereference() === g1oDO.unsafeDereference(),
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"unsafeDereference() outerizes," +
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" so inner and outer window D.Os both dereference to outer");
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ok(dbg.addDebuggee(g1o) === g1iDO, "addDebuggee returns the inner window's D.O");
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ok(dbg.hasDebuggee(g1o), "addDebuggee adds the correct global");
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ok(dbg.hasDebuggee(g1iDO),
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"hasDebuggee can take a D.O referring to the inner window");
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ok(dbg.hasDebuggee(g1oDO),
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"hasDebuggee can take a D.O referring to the outer window");
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const iframe2 = document.createElement("iframe");
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iframe2.src = "iframe2_makeGlobalObjectReference.html";
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iframe2.onload = iframe2OnLoad;
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document.body.appendChild(iframe2);
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function iframe2OnLoad() {
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// makeGlobalObjectReference dereferences CCWs.
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const g2o = iframe2.contentWindow;
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g2o.g1o = g1o;
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const g2iDO = dbg.addDebuggee(g2o);
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const g2g1oDO = g2iDO.getOwnPropertyDescriptor("g1o").value;
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ok(g2g1oDO !== g1oDO, "g2's cross-compartment wrapper for g1o gets its own D.O");
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ok(g2g1oDO.unwrap() === g1oDO,
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"unwrapping g2's cross-compartment wrapper for g1o gets the right D.O");
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ok(dbg.makeGlobalObjectReference(g2g1oDO) === g1iDO,
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"makeGlobalObjectReference unwraps cross-compartment wrappers, and innerizes");
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SimpleTest.finish();
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}
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}
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};
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</script>
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</pre>
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</body>
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</html>
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